Hot/cold water mixing faucet



FIG. 1 is a perspective view of a hot/cold water mixing faucet showing my new design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a right and left side view thereof; and,

FIG. 5 is a top view. 

The ornamental design for the “hot/cold water mixing faucet,” as shown and described. 